-20.07% is the change from 269 to 215
Calculation steps:
[( 215 - 269 ) ÷ 269] x 100 = -20.07%
Formula
Percentage change = [(215 - 269) / 269] x 100
Subtract the new number by the original number
215 - 269 = -54
-54 ÷ 269 = -0.20074349442379183
-0.20074349442379183 x 100 = -20.07%